import React, { Component } from 'react'

import FilterFooter from '../../../../components/FilterFooter'

import styles from './index.module.css'

export default class FilterMore extends Component {
  state={
    selectedValues: this.props.defaultValue
  }
  onTagClick(value){
    const { selectedValues } = this.state
    const newSelectedValues = [...selectedValues]
    if(selectedValues.indexOf(value)<=-1){
      newSelectedValues.push(value)
    }else{
      const index=newSelectedValues.findIndex(item=>item===value)
      newSelectedValues.splice(index,1)
    }
    this.setState({
      selectedValues: newSelectedValues
    })
  }
  // 渲染标签
  renderFilters(data) {
    // 高亮类名： styles.tagActive
    const {selectedValues} = this.state
    return data.map(item=>{
      const isSelected=selectedValues.indexOf(item.value)>-1
      return (
        // , styles.tagActive
        <span 
        key={item.value} 
        className={[styles.tag, isSelected?styles.tagActive:''].join(' ')}
        onClick={()=>{this.onTagClick(item.value)}}>
          {item.label}
        </span>
      )
    })
  }

  //取消按钮的事件处理程序
  onCancel=()=>{
    this.setState({
      selectedValues: []
    })
  }

  //确定按钮的事件处理程序
  onOk=()=>{
    const { type, onSave } = this.props
    onSave(type,this.state.selectedValues)
  }

  render() {
    const {
      data:{roomType, oriented, floor, characteristic},
      onCancle,
      type
    }=this.props
    return (
      <div className={styles.root}>
        {/* 遮罩层 */}
        <div className={styles.mask} onClick={()=>onCancle(type)}/>

        {/* 条件内容 */}
        <div className={styles.tags}>
          <dl className={styles.dl}>
            <dt className={styles.dt}>户型</dt>
            <dd className={styles.dd}>{this.renderFilters(roomType)}</dd>

            <dt className={styles.dt}>朝向</dt>
            <dd className={styles.dd}>{this.renderFilters(oriented)}</dd>

            <dt className={styles.dt}>楼层</dt>
            <dd className={styles.dd}>{this.renderFilters(floor)}</dd>

            <dt className={styles.dt}>房屋亮点</dt>
            <dd className={styles.dd}>{this.renderFilters(characteristic)}</dd>
          </dl>
        </div>

        {/* 底部按钮 */}
        <FilterFooter className={styles.footer} cancelText="清除" onCancel={this.onCancel} onOk={this.onOk}/>
      </div>
    )
  }
}
